/Engine/Plugins/Online/SocketSubsystemEOS/Source/SocketSubsystemEOS/Public/SocketSubsystemEOS.h
Unbind a previously bound socket name and channel.
True if we released the port successfully, false if not and LastSocketError will be set with a reason
bool UnbindChannel ( const [FInternetAddrEOS](API\Plugins\SocketSubsystemEOS\FInternetAddrEOS) & Address )